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It is cubic crystal system or amorphous powder, olive
green, which has metallic luster. its gravity is 5.21 g/cm3,
melting point is 2,266±25ºC and boiling point is 4,000ºC. It can not dissolve
in water and acidic solution, but it can dissolve in the solution of alkali
metallic bromate. It is very stable to light, atmosphere, high temperature and
corrosive gas (SO2, H2S etc.) It has high covering power and magnetism.
2.Specifications
|
Pigment Grade |
Metallurgical Grade |
|||
|
Index Name |
Index |
Index Name |
Index |
|
|
E.G. |
F.G. |
|||
|
Cr2O3 %≥ |
99.00 |
99.00 |
Cr2O3 |
≥99 |
|
Colour |
To be similar or based on users needs |
Fe2O3 |
<0.030 |
|
|
Colouring Power %≥ |
95.00 |
95.00 |
P |
<0.001 |
|
Oil Absorption %≤ |
25.00 |
25.00 |
Co |
<0.001 |
|
Hiding Power g/m² ≤ |
15.00 |
15.00 |
Mn |
<0.001 |
|
Remnant(320mesh) %≤ |
0.30 |
0.30 |
Cu |
<0.001 |
|
Moisture %≤ |
0.30 |
0.50 |
Ni |
<0.001 |
|
Water-Soluble-Cr2O3 %≤ |
as 5PPM |
0.10 |
Pb |
<0.001 |
|
Water-Soluble Substance%≤ |
0.30 |
0.30 |
|
|
3.Usage
It is mainly used in green grourd pave paint colorant,
smelting metal chromium, chromic carbide and catalyst of organic synthetic
chromium. It is used as coloring agent for coloring painting on ceramics and
enamelware and imitation leather or building material; It is also used for
making sun-proof coating, abrasive, green polishing compound, refractory
materials and special printing ink for printing bank note.
4. Packing
Packed in composite bag
lined with plastic bag,Net Weight 25kg;or as request.
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